Alternators The speed of a salient pole machine is nearly 3000 rpm 1500 rpm 500 rpm 1000 rpm 3000 rpm 1500 rpm 500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 12 50 2 4 12 50 2 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Reciprocating diesel engine Steam engine Steam turbine Francis turbine Reciprocating diesel engine Steam engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 2 12 4 8 2 12 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Dc field excitation Armature reaction Leakage flux None of the listed here Dc field excitation Armature reaction Leakage flux ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS